Improvement in post-drivers



M. vANosno L.

Y POST-DRIVER.

Patented June 12', 1877.`

Y No. 192,036.

Izar. a.

WYE/Wei:

vN. PETERSy PHOTO LITHOGRAP WASHINGTON D C UNITED STATES PATENT (Terreni.v

MADISON VANOSDOL, OF IVANHOE, MISSOURI.

IMPROVEMENT IN POST-DRll/ERS'.

Specification forming part of Letters Patent No. 192,036, dated June 12, 1877; application tiled March 29, 1877.

To all whom it may concern:

y Be it known that I, MADISON VANosnoL, of Ivanhoe, Shelby county, State of Missouri, haveinvented certain Improvementsin Mounted Post-Drivers, Ste., ot' which the following is a full, clear, and exact description, reference heilig had to the accompanying drawings, in which- Figure 1 is a perspective view. Fig. 2 is a longitudinal section. Fig. 3 is a front view. Fig. 4 is a detail rear perspective view.

The frame of the machine is composed of' transverse bars A B and longitudinal bars C. The bars A rest on the axle-bars of the wagon, and have their ends notched to lit the wagonstaudards. E are the hammer-guides or uprights, pivoted at theirlower ends to the longitudinal bars (J. D is the hammer or battering ram, preferably made of cast-iron, having wooden orother cleats or blocks bolted to it at opposite sides to form guide-ianges to guide the hammer on the slides E.

F are braces pivoted to the upper end of the uprigh ts or slides E, secured at their lower ends to a sliding block, F', in the main frame. This sliding block is adjustable in 4the main frame, and is secured in place by a pin, f, passing through one of a series of' holes, f'. By this means the uprights or guides can be moved into an inclined position, either forward or backward, so as to enable the hammer to strike at any angle requiredin relation to the machine, so as to suit it for use upon hillyT ground.

The transversebar A, resting on the hind axle-bar and fitting between the wagon-standards, is provided with verticalscrews a, one on each side'of the uprights E. They (the screws) pass through this har, and their lower ends are fitted into an iron socket sunk into the axle-bar. They also pass through a fixed nut in the transverse bar. They may be from one inch in diameter upward, and may be of any length desired, ranging, say, from twelve to eighteen inches in length.

The ofice these screws perform is to raise the-frame supporting the machine, either ou the right or left, in order to keep the uprights or guides E in a perpendicular position when working over hilly or sidling land. These screws are turned by a horizontal crank or Wrench at their upper end.

Y i s...

Vthe front end a inion t" which fears with and is driven bya segment gear-wheel, J, operated by a hand or horse lever, K.

The front bearing of the shaft t' is in a pivoted lever, L, the end of which `is supported by a pivoted lever, M, that engages in the notch of a latch-lever, N, pivoted to the han mer-guides E, whilesaid lever M is held in its upper position by the latch-lever N, thepiib ion l"is in gear with a segment-gear, J, and on turning said gear J in either direction the rope G will be wound upon the drum I to raise the hammer D, and when the hammer is about reaching` its upper position it strikes the upper end of the pivoted latch-lever N from the lever M, which then drops and ungears the pinion t", and allows the hammer to fall. l

The latch-leverNis provided with a handle, n, by which to disengage it at any time from lever M so as to allow the hammer to drop from any desired height. itng the movemen'tI of the latch-lever N.

Retrograde movement of the scgmentw heel J is prevented by a pivoted dog, o, which engages one of a series of recesses, o11 in the semicircular plate, O, secured to the frame of the machine. In cases where the gear-segment J is turned only one-third around, as in operating by hand, it is required that the dog o be reversed at each movement of J`, and for this purpose the recesses o2 o2 are provided with sliding bottoms o3, which are removed so as to let the dog pass through these recesses in reversing the movement of the segment. P

is the post-holder, pivoted to the frame A B,

and having a notched or scalloped. recess formed in its inner edge to hold the post in position.

Q is aloopcd chain or rope attached to the main frame. This is used for the purpose of measuring the spaces for setting the post before driving-for instance, if it is desired that theposts should be driven eight feet apart,

al a2 are stops limthe looped rope will he made of the required length` and placed over the post'just driven, so that the wagon can only move forward just eight feet. By this arrangement the posts are placed exactly the same distance apart, and the trouble of measuring the spaces dispensed with. L is an idler guiding-drum for guidin q` the rope Gr onto the winding-drum.

To operate the machine the lever Mis lifted up and engaged in the notch of the latch-lever N. This brings the pinion i into gear with the segment-gear J. Turning the end of the lever K either to the 4right or left, turns the drum I and raises the hammer D until it strikes the upper end of the latch-lever N to disengage it from the the lever M, which then drops, and in its fall ungears the windingdruins gear-connections, and the hammer is allowed to fall.

I claim as my invention- 1. The drum-shaft i, having pinion i. and supported by pivoted lever L, in combination with the latchklever N and drivinggear J, as and for the purposedescribed.

2. In a post-driver, the latch-lever N, having a handle, n, so as to enable it to be disengaged by hand from lever M when desired, for the purpose set forth.

3. The operating segment-gear J and handle K, in combination with dog o, and recessed plate O for holding the lever at any desired position, asset forth.

4. The seinicircnlar plate O, having two of its recesses, o2 o2, provided with removable sliding bottom 03, as and for the purpose set forth.

5. The main frame A B C, in combination with a pivoted post-holder, P, having notched or scalloped inner edge, as and for the purpose set forth.

6. The driving-gear J, `pinion i', windingdrurn I, Land rope G, in, combination with the idler-drum L', pulley H, and hammer D,-all constructed and arranged as and for the purpose set forth.

. MADISON VANOSDOL.

Witnesses H. B. DIMs, H. G. OGLE. 

